1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162

#[macro_use]
extern crate log;

#[macro_use]
extern crate anyhow;

use std::{sync::Arc, time::Duration};

use exocore::{
    apps::sdk::prelude::*,
    protos::{
        prost::{ProstAnyPackMessageExt, ProstTimestampExt},
        store::{Entity, Reference, Trait},
    },
    store::{entity::EntityExt, mutation::MutationBuilder, query::QueryBuilder},
};
use exomind_protos::base::{Collection, CollectionChild, Snoozed};

#[exocore_app]
pub struct ExomindApp {}

impl ExomindApp {
    fn new() -> Self {
        ExomindApp {}
    }
}

impl App for ExomindApp {
    fn start(&self, exocore: &Exocore) -> Result<(), AppError> {
        info!("Application initialized");

        let store = exocore.store.clone();
        spawn(async move {
            create_base_entities(&store)
                .await
                .expect("error in check_base_entities");

            spawn(check_snoozed_loop(store.clone()));
        });

        Ok(())
    }
}

async fn create_base_entities(store: &Arc<Store>) -> anyhow::Result<()> {
    let inbox_trait = Trait {
        id: "inbox".to_string(),
        message: Some(
            Collection {
                name: "Inbox".to_string(),
                ..Default::default()
            }
            .pack_to_any()?,
        ),
        ..Default::default()
    };

    let fav_trait = Trait {
        id: "favorites".to_string(),
        message: Some(
            Collection {
                name: "Favorites".to_string(),
                ..Default::default()
            }
            .pack_to_any()?,
        ),
        ..Default::default()
    };

    let mutations = MutationBuilder::new()
        .put_trait("inbox", inbox_trait)
        .put_trait("favorites", fav_trait);
    let _ = store.mutate(mutations).await;

    info!("Application base entities created");

    Ok(())
}

async fn check_snoozed_loop(store: Arc<Store>) {
    loop {
        if let Err(err) = check_snoozed(&store).await {
            error!("Error checking for snoozed entity: {}", err);
        }

        sleep(Duration::from_secs(60)).await;
    }
}

async fn check_snoozed(store: &Arc<Store>) -> anyhow::Result<()> {
    let snoozed_list = get_snoozed(store).await?;
    debug!("Found {} entities to moved to inbox", snoozed_list.len());

    for snoozed_entity in snoozed_list {
        if let Err(err) = move_snoozed_inbox(store, &snoozed_entity).await {
            error!(
                "Error moving snoozed entity {} to inbox: {}",
                snoozed_entity.id, err
            );
        }
    }

    Ok(())
}

async fn move_snoozed_inbox(store: &Arc<Store>, snoozed_entity: &Entity) -> anyhow::Result<()> {
    let snoozed_trait = snoozed_entity
        .trait_of_type::<Snoozed>()
        .ok_or_else(|| anyhow!("no snoozed trait on entity"))?;

    let until_date = snoozed_trait
        .instance
        .until_date
        .map(|d| d.to_chrono_datetime())
        .ok_or_else(|| anyhow!("snoozed trait didn't have an until_date"))?;

    let now = now().to_chrono_datetime();
    if until_date < now {
        info!("Moving snoozed entity {} to inbox", snoozed_entity.id);

        let mb = MutationBuilder::new()
            .delete_trait(&snoozed_entity.id, &snoozed_trait.trt.id)
            .put_trait(
                &snoozed_entity.id,
                Trait {
                    id: "child_inbox".to_string(),
                    message: Some(
                        CollectionChild {
                            collection: Some(Reference {
                                entity_id: "inbox".to_string(),
                                ..Default::default()
                            }),
                            weight: now.timestamp_millis() as u64,
                        }
                        .pack_to_any()?,
                    ),
                    ..Default::default()
                },
            );

        let _ = store.mutate(mb.build()).await?;
    }

    Ok(())
}

async fn get_snoozed(store: &Arc<Store>) -> anyhow::Result<Vec<Entity>> {
    let query = QueryBuilder::with_trait::<Snoozed>()
        .count(100)
        .order_by_field("until_date", true)
        .programmatic()
        .build();

    let results = store.query(query).await?;
    let entities = results
        .entities
        .into_iter()
        .flat_map(|res| res.entity)
        .collect();

    Ok(entities)
}